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This category is for articles related to birds which have adapted to live within the ecological niche of caves. Pages in category "Cave birds" The following 5 pages are in this category, out of 5 total.
The nests of Aerodramus swiftlets are constructed with saliva as a major component. In two species, saliva is the only material used, and the nests are collected for the famous Chinese delicacy 'bird's nest soup', the over-collection of which puts pressure on the swiftlet populations.
The cave swallow measures 12 to 14 cm in length and weighs 19 g on average. The largest of the five subspecies, P. f. pallida, has an average wing length between 107.0 and 112.3 mm; the smallest subspecies, P. f. aequatorialis, has an average wing length between 93.0 and 93.5 mm. Differences between the sexes are minimal, both are similar in size and weight and are difficult to distinguish ...
The nesting sites can be vulnerable to predation by other cavity-nesting bird species, such as the house sparrow. [4] [5] These birds will search a number of swallow nests for the perfect place to make their own nest, destroying numerous eggs in the process. [4] Nests, especially those at the periphery of colonies, are vulnerable to snake ...
The cave swiftlet is highly gregarious and flies with all the other species of swift that are sympatric with it. It often circles and flies through the branches of trees emerging through the canopy such as fruiting figs. It breeds in the lighter parts of caves, building a nest of stringy vegetation and cementing the materials to the rock with ...
Birds also prefer structures that blend into the environment, so if the nest box is painted, earth tones (grey, green, brown) are your best bet. In short, if attracting birds is your primary goal ...
For centuries, the caves have been renowned for their valuable edible swiftlet nests, which are harvested for bird's nest soup. [5] The most valuable of the nests, the white ones, can sell for very high prices. The birds' nest collection is an ancient tradition, and the trading of these nests has been done since at least AD 500.
Some species of male birds dance to impress their mates, such as the complicated dance routine of the little red-capped manakin or the flashy display of the male peacock. In other species, the ...